Added Stacker Reid Spencer's contributions.

llvm-svn: 10498
diff --git a/llvm/CREDITS.TXT b/llvm/CREDITS.TXT
index eddb909..e103da0 100644
--- a/llvm/CREDITS.TXT
+++ b/llvm/CREDITS.TXT
@@ -56,7 +56,7 @@
 N: Reid Spencer
 E: rspencer@x10sys.com
 W: http://extprosys.sourceforge.net/
-D: Complete 'llvm' namespacification, bug fixes and improvements
+D: Complete 'llvm' namespacification, Stacker, bug fixes, and improvements
 
 N: Bill Wendling
 E: wendling@isanbard.org